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* [SCM] master: Rewrite Corefile FP note writing for PPC32/64.
@ 2008-01-24 18:15 pmuldoon
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From: pmuldoon @ 2008-01-24 18:15 UTC (permalink / raw)
To: frysk-cvs
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- Log -----------------------------------------------------------------
commit 1d1338d115a70655940f94a009d401afeb86ea0b
Author: Phil Muldoon <pmuldoon@redhat.com>
Date: Thu Jan 24 18:15:23 2008 +0000
Rewrite Corefile FP note writing for PPC32/64.
2008-01-24 Phil Muldoon <pmuldoon@redhat.com>
* PPC32LinuxElfCorefile.java (writeNoteFPRegset): Rewrite using
BankRegisters to form bank.
* PPC64LinuxElfCorefile.java (writeNoteFPRegset): Ditto.
-----------------------------------------------------------------------
Summary of changes:
frysk-core/frysk/util/ChangeLog | 6 ++
frysk-core/frysk/util/PPC32LinuxElfCorefile.java | 29 +++++++++
frysk-core/frysk/util/PPC64LinuxElfCorefile.java | 71 +++++++++-------------
3 files changed, 65 insertions(+), 41 deletions(-)
First 500 lines of diff:
diff --git a/frysk-core/frysk/util/ChangeLog b/frysk-core/frysk/util/ChangeLog
index bfd3171..6c4300c 100644
--- a/frysk-core/frysk/util/ChangeLog
+++ b/frysk-core/frysk/util/ChangeLog
@@ -1,3 +1,9 @@
+2008-01-24 Phil Muldoon <pmuldoon@redhat.com>
+
+ * PPC32LinuxElfCorefile.java (writeNoteFPRegset): Rewrite using
+ BankRegisters to form bank.
+ * PPC64LinuxElfCorefile.java (writeNoteFPRegset): Ditto.
+
2008-01-24 Andrew Cagney <cagney@redhat.com>
* IA32LinuxElfCorefile.java: Update; RegisterBank moved to
diff --git a/frysk-core/frysk/util/PPC32LinuxElfCorefile.java b/frysk-core/frysk/util/PPC32LinuxElfCorefile.java
index fec155f..e5dc38d 100644
--- a/frysk-core/frysk/util/PPC32LinuxElfCorefile.java
+++ b/frysk-core/frysk/util/PPC32LinuxElfCorefile.java
@@ -43,6 +43,9 @@
package frysk.util;
+import java.util.Iterator;
+
+import inua.eio.ArrayByteBuffer;
import inua.eio.ByteBuffer;
import lib.dwfl.ElfEHeader;
import lib.dwfl.ElfEMachine;
@@ -54,6 +57,8 @@ import lib.dwfl.ElfPrpsinfo;
import lib.dwfl.ElfPrstatus;
import frysk.isa.PPC32Registers;
import frysk.isa.Register;
+import frysk.isa.banks.BankRegister;
+import frysk.isa.banks.LinuxPPCRegisterBanks;
import frysk.proc.Proc;
import frysk.proc.Task;
import frysk.sys.proc.AuxvBuilder;
@@ -243,6 +248,30 @@ public class PPC32LinuxElfCorefile extends LinuxElfCorefile {
* frysk.proc.Task)
*/
protected void writeNoteFPRegset(ElfNhdr nhdrEntry, Task task) {
+
+ ElfPrFPRegSet xfpRegSet = new ElfPrFPRegSet();
+
+ final int bankSize = 260;
+ final int maxRegSize = 8;
+ byte[] scratch = new byte[maxRegSize];
+ byte[] byteOrderedRegister= new byte[bankSize];
+ ArrayByteBuffer byteOrderedBuffer = new ArrayByteBuffer(byteOrderedRegister);
+
+ Iterator registerIterator = LinuxPPCRegisterBanks.FPREGS32.entryIterator();
+ while (registerIterator.hasNext()) {
+ BankRegister bankRegister = ((BankRegister)registerIterator.next());
+ Register register = bankRegister.getRegister();
+ task.access(register, 0, register.getType().getSize(), scratch, 0, false);
+ bankRegister.access(byteOrderedBuffer, 0, maxRegSize, scratch, 0, true);
+ }
+
+ byteOrderedBuffer.get(byteOrderedRegister);
+
+ xfpRegSet.setFPRegisterBuffer(byteOrderedRegister);
+
+ // Write it
+ nhdrEntry.setNhdrDesc(ElfNhdrType.NT_FPREGSET, xfpRegSet);
+
ElfPrFPRegSet fpRegSet = new ElfPrFPRegSet();
// Write FP Register info over wholesae. Do not interpret.
diff --git a/frysk-core/frysk/util/PPC64LinuxElfCorefile.java b/frysk-core/frysk/util/PPC64LinuxElfCorefile.java
index df6b20b..c438b91 100644
--- a/frysk-core/frysk/util/PPC64LinuxElfCorefile.java
+++ b/frysk-core/frysk/util/PPC64LinuxElfCorefile.java
@@ -43,6 +43,10 @@
package frysk.util;
+import inua.eio.ArrayByteBuffer;
+
+import java.util.Iterator;
+
import lib.dwfl.ElfEHeader;
import lib.dwfl.ElfEMachine;
import lib.dwfl.ElfNhdr;
@@ -53,6 +57,8 @@ import lib.dwfl.ElfPrpsinfo;
import lib.dwfl.ElfPrstatus;
import frysk.isa.PPC64Registers;
import frysk.isa.Register;
+import frysk.isa.banks.BankRegister;
+import frysk.isa.banks.LinuxPPCRegisterBanks;
import frysk.proc.Proc;
import frysk.proc.Task;
import frysk.sys.proc.AuxvBuilder;
@@ -244,48 +250,31 @@ public class PPC64LinuxElfCorefile extends LinuxElfCorefile {
*/
protected void writeNoteFPRegset(ElfNhdr nhdrEntry, Task task) {
- ElfPrFPRegSet fpRegSet = new ElfPrFPRegSet();
-
- Register[] ppc64FloatingPointerRegMap = {
- PPC64Registers.FPR0, PPC64Registers.FPR1, PPC64Registers.FPR2,
- PPC64Registers.FPR3, PPC64Registers.FPR4, PPC64Registers.FPR5,
- PPC64Registers.FPR6, PPC64Registers.FPR7, PPC64Registers.FPR8,
- PPC64Registers.FPR9, PPC64Registers.FPR10, PPC64Registers.FPR11,
- PPC64Registers.FPR12, PPC64Registers.FPR13, PPC64Registers.FPR14,
- PPC64Registers.FPR15, PPC64Registers.FPR16, PPC64Registers.FPR17,
- PPC64Registers.FPR18, PPC64Registers.FPR19, PPC64Registers.FPR20,
- PPC64Registers.FPR21, PPC64Registers.FPR22, PPC64Registers.FPR23,
- PPC64Registers.FPR24, PPC64Registers.FPR25, PPC64Registers.FPR26,
- PPC64Registers.FPR27, PPC64Registers.FPR28, PPC64Registers.FPR29,
- PPC64Registers.FPR30, PPC64Registers.FPR31 };
-
- int totalBufferSize = 0;
- for (int i = 0; i < ppc64FloatingPointerRegMap.length; i++) {
- int registerSize = ppc64FloatingPointerRegMap[i].getType().getSize();
- totalBufferSize += registerSize;
- }
-
- // Creating a raw byte buffer to fill with fp regs value
- byte[] regBuffer = new byte[totalBufferSize];
-
- // Filling the buffer
- int regBufferIndex = 0;
- for (int i = 0; i < ppc64FloatingPointerRegMap.length; i++) {
- int registerSize = ppc64FloatingPointerRegMap[i].getType().getSize();
- byte[] currentRegBuffer = new byte[registerSize];
- task.access(ppc64FloatingPointerRegMap[i], 0,
- registerSize, currentRegBuffer, 0, false);
- for(int j=0; j < registerSize; j++) {
- regBuffer[regBufferIndex] = currentRegBuffer[j];
- regBufferIndex++;
- }
- }
-
- // Write FP Register info over wholesae. Do not interpret.
- fpRegSet.setFPRegisterBuffer(regBuffer);
+
+ ElfPrFPRegSet xfpRegSet = new ElfPrFPRegSet();
+
+ final int bankSize = 260;
+ final int maxRegSize = 8;
+ byte[] scratch = new byte[maxRegSize];
+ byte[] byteOrderedRegister= new byte[bankSize];
+ ArrayByteBuffer byteOrderedBuffer = new ArrayByteBuffer(byteOrderedRegister);
+
+ Iterator registerIterator = LinuxPPCRegisterBanks.FPREGS64.entryIterator();
+ while (registerIterator.hasNext()) {
+ BankRegister bankRegister = ((BankRegister)registerIterator.next());
+ Register register = bankRegister.getRegister();
+ task.access(register, 0, register.getType().getSize(), scratch, 0, false);
+ bankRegister.access(byteOrderedBuffer, 0, maxRegSize, scratch, 0, true);
+ }
+
+ byteOrderedBuffer.get(byteOrderedRegister);
+
+ xfpRegSet.setFPRegisterBuffer(byteOrderedRegister);
+
+ // Write it
+ nhdrEntry.setNhdrDesc(ElfNhdrType.NT_FPREGSET, xfpRegSet);
- // Write it
- nhdrEntry.setNhdrDesc(ElfNhdrType.NT_FPREGSET, fpRegSet);
+
}
/*F(non-Javadoc)
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2008-01-24 18:15 [SCM] master: Rewrite Corefile FP note writing for PPC32/64 pmuldoon
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